Firſt occaſionally Written, among ſome other
Eſſays, to a Friend; and now ſuffer'd to
come abroad as

THE
BEGINNING
Of An
Experimental Hiſtory
OF
COLOURS.

By the Honourable ROBERT BOYLE,
Fellow of the ROYAL SOCIETY.

Non fingendum, aut excogitandum, ſed inveniendum,
quid Natura faciat, aut ferat. Bacon.

LONDON.

Printed for Henry Herringman at the
Anchor on the Lower walk of the New
Exchange. MDCLXIV.